| IMPROWARE | ||||
| 157.161.0.0 — 157.161.255.255 | Improware AG Pratteln, Switzerland | Switzerland | 157.161.0.0/16 | 65536 |
| CH-IMPROWARE-20051019 | ||||
| 87.102.128.0 — 87.102.255.255 | Switzerland | 87.102.128.0/17 | 32768 | |
| CH-IMPROWARE-20030320 | ||||
| 213.188.224.0 — 213.188.255.255 | Switzerland | 213.188.224.0/19 | 8192 | |
| CH-IMPROWARE-20110414 | ||||
| 31.11.0.0 — 31.11.31.255 | Switzerland | 31.11.0.0/19 | 8192 | |
| CH-IMPROWARE-20140826 | ||||
| 185.68.64.0 — 185.68.67.255 | Switzerland | 185.68.64.0/22 | 1024 | |
| CH-IMPROWARE-20040706 | ||||
| 2001:4060:: — 2001:4060:ffff:ffff:ffff:ffff:ffff:ffff | Switzerland | 2001:4060::/32 | 296 | |
